Amount
How many bones do cats have?
230 to 250
How many bones are in the human skull?
22
What is the role of muscles, tendons, and ligaments in skeletal movement?
Facilitate skeletal movement
What are tedons?
These are fibrous cords that connect muscles to bones.
Where is cartilage found in the adult skeleton?
Cartilage remains in certain areas, such as the joints, the bridge of the nose, and the ends of the ribs.
How many bones do dogs have?
319 to 321
What is the most complex bone in the human body?
The sphenoid
How do muscles work in pairs, with one contracting while the other relaxes?
When a muscle contracts to move a body part, the opposing muscle in the pair relaxes, allowing for movement in one direction.
What are ligaments?
These are strong, fibrous tissues that connect bones to other bones.
What are some functions of the skeletal system?
Functions include protection, support, blood formation, mineral storage, and acid-base balance.
How many bones do sharks have?
ZERO!!(Their structure is built with cartilage.)
What is the weakest bone in the human body?
The clavicle
What happens to muscles when they contract?
It receives an electrical signal from a nerve that causes the protein filaments inside its fibers to slide past one another, pulling the muscle's ends closer together.
What are joints?
These are any places where two bones meet.
What are epiphyseal plates?
They are located in long bones and allow for their growth in length during childhood.
How many bones does an adult have?
206
What is the smallest bone in the human body?
What are joints, and how do they allow for movement?
Where two or more bones meet, providing stability and allowing for movement.
Name 3 examples of joints.
Hinge joints
Ball and socket joints
Gliding joints
Why do people get shorter as they age?
The calcium matrix in bones shrinks, and the discs between vertebrae compress, causing people to get shorter.
How many bones does a a baby have at birth?
270 to 300
What is the longest bone in the human body?
The femur (thigh bone)
How do the joints in your hands and feet compare to other joints in your body?
The joints in your hands are designed for dexterity and grip, while your foot joints are built for weight-bearing and propulsion.
What are pivot joints?
The joint between the atlas and axis vertebrae in the neck.
What is the mandible?
The mandible is the lower jawbone, which is the only movable bone in the skull.